Low resistance valves allow patients to breathe freelyEven under low pediatric pressures and flows, OptiChamber Diamond's inspiratory and expiratory valves open freely. OptiChamber's mouthpiece design helps patients transition from pediatric facemasks to mouthpiece. It also allows attachment to a 22 mm connector. Highly visible expiratory valve helps measure breath count and hold, OptiChamber allows more respirable medication to be delivered to the patient. The anti-static material allows the aerosol to be suspended longer, giving the patient more time to inhale.